Add support for configure dialogbox

plugins/messageviewerplugins/common/translatorplugin/viewerplugintranslator.cpp

@@ -28,4 +28,14 @@ QString ViewerPluginTranslator::viewerPluginName() const
     return QStringLiteral("translator");
 }
 
+void MessageViewer::ViewerPluginTranslator::showConfigureDialog(QWidget *parent)
+{
+    // TODO
+}
+
+bool MessageViewer::ViewerPluginTranslator::hasConfigureDialog() const
+{
+    return true;
+}
+
 #include "viewerplugintranslator.moc"

plugins/messageviewerplugins/common/translatorplugin/viewerplugintranslator.h

@@ -18,5 +18,8 @@ public:
 
     ViewerPluginInterface *createView(QWidget *parent, KActionCollection *ac) override;
     Q_REQUIRED_RESULT QString viewerPluginName() const override;
+
+    void showConfigureDialog(QWidget *parent) override;
+    Q_REQUIRED_RESULT bool hasConfigureDialog() const override;
 };
 }